ObjectiveTo measure levels of serum resistin in patients with nonalcoholic fatty liver disease (NAFLD) and explore the relationship between serum resistin and insulin resistance,and the role of serum resistin in the pathogenesis and progression of NAFLD.Methods 53 patients (including 30males and 23 females) with NAFLD and the 28 control subjects (including 16males and 12females) were enrolled in this study.The height,weight,waist circumstance,hip girth and blood pressure of all subjects were obtained by standard methods.To all the subjects,the parameters including fasting blood glucose (FBG),triglyceride ( TG),total cholesterol (TC),high-density lipoprotein cholesterol ( HDL-c ),lowdensity lipoprotein cholesterol ( LDL-c ),alanine aminotransferase ( ALT),aspartate aminotransferase (AST)and gamma glutamyl transferase (GGT) were measured.Serum resistin was measured by electrochemiluminescence immunoassay (ECLIA) and fasting serum insulin (FINS) were measured by enzymelinked immunosorbent assay (ELISA).Body mass indexes (BMI),waist hip ratio (WHR),body fat percentage ( BF％ ) were calculated with formula.Homeostasis model assessment was applied to assess the status of insulin resistance index (HOMA-IR).The relationships between serum resistin and various parameters in patients with NAFLD were observed and analyzed by statistical methods.ResultsThere were no significant differences in the number of cases,average age,compositions of sex and BF％ between the NAFLD group and the control group ( P ＞ 0.05).In the NAFLD group,systolic blood pressure ( SBP),diastolic blood pressure(DBP).The waist circumference,hip girth and BMI and WHR were higher than those of control group ( t =3.54,3.32,3.56,5.85,5.56,4.10,P =0.001).There were no significant differences on the level of TC,HDL-c,LDL-c between the NAFLD group and the control group ( P ＞0.05).In the NAFLD group,FBG,TG,AST were higher than those of control group ( P =0.001,P =0.004,P =0.001 ).The levels of serum resistin,FINS,HOMA-IR,ALT and GGT in NAFLD group were significantly higher than those of control group,and there was significant difference between two groups ( P =0.0005).There was no significant correlation between serum resistin and age,BMI,WHR,BF％,FBG,TG,TC,HDL-C,LDL-C,AST in NAFLD group ( P ＞ 0.05).The levels of serum resistin in patients with NAFLD were positively correlated with GGT,ALT,FINS,HOMA-IR ( r =0.354,0.391,0.875,0.881,P ＜0.05 or ＜0.01 ).After multiple stepwise regression analysis,the results showed that HOMA-IR was the most important factor for affecting the levels of serum resistin.The levels of serum resistin in male and female patients with NAFLD were higher than those of control group ( P ＜0.05).But no statistical difference was found between males and females in two groups ( P ＞ 0.05).ConclusionsThe levels of serum resistin in patients with NAFLD were significantly higher than those of controls.Serum resistin in patients with NAFLD was closely correlated with insulin resistance,and it may participate in the pathogenetic progress of NAFLD.Serum resistin in patients with NAFLD might be associated with hepatic insulin resistance,and it has no correlations with obesity-related insulin resistance.Serum resistin in patients with NAFLD may participate in the inflammation of fatty liver disease as inflammatory cytokines.

Background and purpose:Non-small cell lung cancer (NSCLC) patients who have good curative effect on epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) will inevitably acquired drug resistance. It will effect the survival directly. In contrast, few studies have found that EGFR-TKI effectively acquired drug resistance in patients with clinical characteristics. We investigated clinical characteristics of NSCLC patients who experienced acquired drug resistance during geiftinib therapy. Methods:To review the treatment from the beneift of patients with non-small cell lung cancer. All of the data were obtained from Jan. 2007 to Jan. 2014 in Xinjiang tumor hospital. The treatment for failure of acquired drug resistance of clinical manifestations, time to progress (TTP) and post-progression survival (PPS) were retrospectively analyzed. Results:The total collection of 417 patients. Median TTP was 10.2 months (95%CI:9.5-10.9). The TTP of women adenocarcinoma patients who didn’t smoke signiifcantly extended. When acquired drug resistance happened, 63.3%of patients appeared worse symptoms. The progress of the disease is as follows:209 cases (58.4%) from the primary lesion, 137 cases (38.3%) before the transfer, 194 cases (54.2%) of new happened. Patients of epidermal growth factor receptor (EGFR) wild type had more tendencies of symptomatic deterioration and new central nervous system (CNS) transfer than patients of EGFR mutation type. Patients of exon 19 deletion and L858R mutations on the new transfer were different (41.4%vs 6.3%, P=0.02). PPS was 8.9 months (95%CI:7.4-10.4). Smoking history, performance status (PS) score, new CNS lesions and the subsequent chemotherapy is independent factors of PPS. Conclusion:This study suggests that the clinical manifestations of acquired drug resistance according to EGFR mutation status and EGFR mutation genotype may be different. In addition, after the treatment of acquired drug resistance in patients with non-small cell lung cancer, the subsequent clinical beneift from chemotherapy are also associated with PPS.

Objective To explore the significance of RPR te st and Tp -IgM-Capture -ELISA in fol-lowing-up of early syphilis.Methods Sixty-one cases of primary syphilis with less than one-year course and 77cases of secondary syphilis were enr olled into the study.The patients we re followed up by RPR test and Tp -IgM-Capture -ELISAat intervals of three months for two years after treatment .Results By the end of 3,6,9,12,15,18,21and 24months,RPRtest became negative in 6.2%,31.5%,61.5%,83.8%,90.7%,92.3%,94.6%,and95.3%of patients,respectively.By the end of 3,6,9,12and 15months,Tp -IgM-Capture -ELISA became negative in 25.4%,56.5%,86.2%,97.1%and 100.0%of patients,respectiv ely.In primary syphilis the RPR test became nonreactive in 8.2%(3months after treatment ),31.1%(6months),57.4%(9months),75.4%(12months),83.6%(15months),85.2%(18months),and 100.0%(21months)of patients,and Tp -IgM-Cap-ture -ELISA in 45.9%(3months),85.2%(6months),98.4%(9months),100.0%(12months)of patients.In secondary syphilis RPRtest became n onreactive in 2.6%(3months after treatment ),28.6%(6months),58.4%(9months),81.8%(12months),84.4%(15months),88.3%(18months),90.9%(21months)and 92.2%(24months)of patients,and Tp -IgM-Capture -ELISAin 9.1%(3months),33.8%(6months),71.4%(9months),94.8%(12months)and 100.0%(15months)of patients.Tp -IgM-Capture -ELISA was found to be negative earlier than that of RPR test in all ca ses.No sero-resistant was shown in T p -IgM-Capture -ELISA.Conclusions Tp -IgM turns to negative in 12months after treatment for nearly all patie nts with early syphilis.Tp -IgM-Cap-ture -ELISA may be served as a useful t ool to follow up early syphilis patie nts after treatment.[

Objective To investigate the prevalence,clinical classification,treatment and prognosis of neonatal hyperphenylalaninemia(HPA) in Xuzhou area,China.Methods Infants born between July 1,2003 and July 1,2015 in Xuzhou area were investigated.Heel blood samples of neonates were collected at 72 hours after birth,and the concentration of blood phenylalanine(Phe) was determined by fluorescent quantitative method in Xuzhou Maternity and Child Health Care Station Neonatal Disease Screening Center.Differential diagnosis was performed in all 265 cases diagnosed as HPA by urinary pterin analysis and dihydropteridine reductase activity determination.The blood Phe concentration and mental development were followed up regularly in infants with HPA.Mutations of phenylalanine hydroxylase (PAH) gene were analyzed by gene sequencing.The relationship between blood Phe concentration and mental development was analyzed by Bivariate correlation analysis.Results (1) The prevalence of HPA in neonates in Xuzhou was 1/4 635.Among the 265 confirmed HPA cases,260 cases(98.11％) had PAH deficiency,including 90(33.96％) classical phenylketonuria(PKU),84(31.70％) mild PKU and 86(32.45％) mild HPA.The other five patients(1.89％) diagnosed with tetrahydrobiopterin (BH4) deficiency all had 6-pyruvoyl tetrahydropteim synthase(PTPS) deficiency.(2) Among the 265 HPA cases,26 cases refused any treatment,including five cases of PTPS deficiency and 21 cases of PKU.Of the five patients with PTPS deficiency,two died and the other three had normal mental and physical development.Twenty-one PKU patients who refused treatment had mental retardation of various degrees.Among 153 PKU patients who received medical treatment,three died and 12 were lost to follow-up.(3) For 138 PKU patients who received dietary treatment and follow-up,the ages at the last visit were two months to 12 years,116 of them had normal mental development,the remaining 22 patients had mental retardation,and a negative correlation was observed between mental development and the average Phe concentration.(4) Thirty-five patients with PAH deficiency underwent gene sequencing,and 22 kinds of mutations of PAH gene were detected.Conclusions The prevalence of HPA in Xuzhou area is higher than the average national level.With early diagnosis and standard treatment,most of PKU neonates can have normal mental development.Phe level control is an important factor for mental development.

Objective To explore the experience and management of intraoperative care of patients with aneurysm of thoracic aorta and aortic dissecting aneurysm treated with endovascular aneurysm repair and blood vessel bypass (the hybrid operation). Methods Ten patients with aneurysm of thoracic aorta and aortic dissecting aneurysm were treated with the hybrid operation in catheter lab. During the operation, nurses and doctors cooperated connivantly. Following measures were carried out to ensure the smooth operation and prevent the occurrence of complications: life signs were monitored carefully and medicines and equipments were prepared fully. Results 10 patients with aneurysm of thoracic aorta and aortic dissecting aneurysm underwent the hybrid operation successfully without no complications. Conclusions It was safe and effective to carry out the hybrid operation for patients with aneurysm of thoracic aorta and aortic dissecting aneurysm by strict management and specialist nurses raining. Skilled collaboration and strict life signs monitoring was pivotal to ensure the success of the hybrid operation.

Objective To assess the value of confocal laser endomieroscopy (CLE) in diagnosis of early esophageal squamous cell carcinoma and precancerous lesions. Methods CLE examination was performed in 41 patients who needed further examination because of lesions in esophagus during July 2008 to April 2009. The diagnosis was made based on the features of esophageal squamous cells which was defined as low grade intraepithelial neoplasia(LGIN), high grade intraepithelial neoplasia (HGIN) and early esophageal squamous cell carcinoma (EC). Biopsy specimens were taken precisely matched to the CLE imaging sites. The result was compared with that of histopathology. Results There were 7281 eonfocal images obtained from 60 target lesions in 41 patients. The sensitivity, specificity and accuracy of CLE were 75.0%, 88.6% and 85.0% in diagnosis of LGIN, respectively, 85.7% ,92.3% and 90.0% in diagnosis of HGIN, respectively,and 88.9% ,96.1% and 95.0%, in diagnosis of EC,respectively. Conclusions It is an effective method for diagnosis of esophageal neoplastic lesions using CLE, which has high accuracy in diagnosis of HGIN and early esophageal cancer.

Objective To investigate the value of fluorescin-aided confocal laser endomicroscopy (CLE) for diagnosis of helicobacter pylori (Hp) infection. Methods From June 2009 to November 2009, patients undergone gastric endoscope examination with upper gastrointestinal symptoms (upper abdominal discomfort, abdominal distension, satiation, acid reflux and eructation) or screened for gastric cancer were enrolled. The gastric mucosa CLE image data of twenty diagnosed Hp positive patients and 10 Hp negative patients was analyzed retrospectively. By comparing with histological image of targeted biopsy tissue, the CLE diagnostic criteria for Hp infection were established. In the prospective study, CLE diagnose result was compared with Hp tested result. The consistency of CLE diagnostic criteria in different observers was also analyzed. The CLE image data with histopathology result were compared accordingly. Results Total 72 patients were enrolled in the prospective study,of 34 Hp positive patients, 31 patients were correctly diagnosed by CLE. The accuracy, sensitivity and specificity of CLE diagnosis were 88.9%, 91.2 and 86.8% respectively. CLE image displaying fluorescin leakage and cell shedding was the highest specificity for Hp infection diagnosis, (97.4 %);fluorescin leakage plus gastric pits distortion and cell edema was the highest sensitivity (88. 2%). The consistency of CLE diagnostic criteria in different observers was high (Kappa value 0. 72, 0.87). The CLE image of Hp infection was highly correlated with inflammation activity (P＜0. 001). Conclusion CLE can accurately distinguish normal mucosa from Hp infected mucosa at the cellular level. The diagnostic value for Hp infection was reliable.

OBJECTIVE To analyze the effect of the disposable over-shoes for the control of nosocomial infection of the intensive care units(ICU). METHODS The effects of the disposable over-shoes for the environment contamination and nosocomial infection control of the surgical ICU were investigated. RESULTS The mean of air bacteria colony counts when disposable over-shoes were worn was lower than that when without their use by healthcare workers (P0.05). The rates of nosocomial infection beteen them were 21.5‰ and 17.1‰,respectively. CONCLUSIONS The use of disposable over-shoes can't improve the environment quality and is not benefit for the control of nosocomial infection of surgical ICU.

Objective To investigate the clinical features and SLC22A5 gene mutation types in patients with primary carnitine deficiency(PCD).Methods The free carnitine(CO) and acylcarnitine levels in the blood of 210 908 neonates from newborn screening program and 576 children with suspected clinical inherited metabolic diseases were measured by using liquid chromatography tandem mass spectrometry method during September 2015 to December 2017,after that the SLC22A5 gene mutations were analyzed in the children with low CO level and the diagnosis was made.The clinical characteristics,laboratory findings,genotypes,treatment and prognosis were retrospectively analyzed in patients.Paired sample t test was used to compare the biochemical indexes of patients before and after the treatments.Results Ten children were diagnosed with PCD(9 cases from newborn screening program,1 case from clinical patients),and 7 children were diagnosed with maternal carnitine deficiency.After treatment with oral Levocarnitine,the free carnitine and acylcarnitine of the patients returned to the normal levels.The clinical symptoms disappeared in 1 patient out of clinical patients,and the other 16 patients from newborn screening program were asymptomatic and showed normal growth and development.Seventeen patients got genetic analysis,and 10 types of mutations were found,including c.1400C ＞ G,c.1462C ＞ T,c.797C ＞ T,c.95A ＞ G,c.92C ＞ T,c.1093A ＞ C,c.761G ＞ A,c.865C ＞ T,c.428C ＞ T,c.1195C ＞ T,among which two of them (c.1093A ＞ C and c.92C ＞ T) were novel mutations.The most common mutation of SLC22A5 gene was c.1400C ＞ G.Conclusions Liquid chromatography tandem mass spectrometry technology is sufficient to screen newborns and maternal carnitine deficiency,and the c.1400C ＞ G mutation is found at the highest frequency in Xuzhou area.If patients receive early treatment,they may have a good prognosis.

Objective To investigate the characteristics of neonatal methylmalonic aciduria (MMA)regarding clinical manifestations,laboratory findings,gene mutations,treatments and prognosis.Methods Acylcamitine levels in blood samples of 207 308 neonates born from January 2016 to December 2017 in Xuzhou were detected by liquid chromatography tandem mass spectrometry and the abnormal results were further confirmed by detecting organic acids in urine samples with gas chromatography-mass spectrometry and gene sequencing analysis.Patients with isolated MMA were treated with dietary control and levocarnitine,while those complicated by homocysteinemia were treated with vitamin B12,levocarnitine,glycine betaine and calcium folinate.Clinical manifestations,laboratory findings,imaging features,genotypes,treatments and prognosis of patients with MMA were retrospectively analyzed.Paired sample t-test was applied for statistical analysis.Results MMA was eventually diagnosed in 12 patients,among which three were isolated MMA and nine were complicated by homocysteinemia.The three isolated MMA cases failed to response to vitamin B12 treatment without any symptoms on diagnosis.However,vitamin B12 was effective for the other nine patients,among which four had no clinical symptoms on diagnosis and five had manifestations such as slow response,recurrent vomiting,poor feeding,dyspnea,anemia and jaundice.Abnormal results of cranial MRI included bilateral basal ganglia damage,enlarged extracranial space,ventriculomegaly and changes in white matter.All patients underwent genetic analysis and three were found with MUT gene mutations and nine with MMACHC gene mutations.MUT gene mutations were classified into five types,including c.I106G＞A,c.1880A＞G,c.441T＞A,c.581C＞T and c.1741C＞T.Eight types of MMACHC gene mutations were identified,including c.609G＞A,c.658_660delAAG,c.482G＞A,c.1A＞G,c.567dupT,c.80A＞G,c.276+1G＞A and c.228_23 l delTGAC.Two mutations,c.276+lG＞A and c.228 23 ldelTGAC,were novel mutations.The most common mutation in MMACHC gene was c.609G＞A,followed by c.658_660delAAG and c.482G＞A.One of the isolated MMA patients died after refusing treatments and the other two showed significant decrease in serum propionylcarnitine,propionylcarnitine to acetylcarnitine ratio,serum homocysteine and methylmalonic acid and methylcitric acid in urine after treatment.Moreover,of the two patients who were alive at follow-up,one experienced normal growth and development and the other suffered from growth retardation.The ratio of propionylcamitine to acetylcarnitine and the levels of serum propionylcarnitine,serum homocysteine and methylmalonic acid and methylcitric acid in urine were significantly decreased in the nine patients with MMA complicated by homocystinuria after one month of treatment [0.88±0.35 vs 0.13±0.05,(7.12±1.90) μ mol/L vs (3.18±1.08) μ mol/L,(136.48±38.14) μ mol/L vs (34.41±17.33) μmol/L,103.51±69.62vs 5.35±2.15 and 7.95±6.88 vs 1.02±0.48,t=-6.166,-6.687,-12.941,-4.208 and-3.015,respectively,all P＜0.05].Two deaths,three asymptomatic and four psychomotor retardation patients were reported during follow-up.Conclusions Newborn screening with liquid chromatography tandem mass spectrometry is important for early diagnosis of MMA.MMACHC gene defects are the main causes of MMA in Xuzhou area and the predominant one is c.609G＞A mutation.Prognosis of MMA might be related to disease type,age of onset and patient's reactivity to vitamin B12.